ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,166, issued on Dec. 16, was assigned to SHANGHAI SMARTEE DENTI-TECHNOLOGY Co. LTD. (Shanghai).

"Orthodontic appliance and uses thereof" was invented by Gang Shen (Shanghai), Tao Guo (Shanghai), Ziqing Xu (Shanghai), Jianyu Jiang (Shanghai), Te Wang (Shanghai), Xingxing Wang (Shanghai), Huimin Zhuang (Shanghai), Sensen Yang (Shanghai), Gang Wu (Shanghai) and Ruixue Zhou (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orthodontic appliance and uses thereof are disclosed. The first orthodontic appliance includes a shell-like body at least having a geometric structure allowing at least one tooth in a posterior region to move in a distal dire...